package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import com.google.common.collect.Maps;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.Map;

/**
 * @author : PF_23
 * @Description : 集中处理所有异常
 * @date : 2021/6/13 17:14.
 */

@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题:{}， 异常类型: {}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> errorMap = Maps.newConcurrentMap();
        bindingResult.getFieldErrors().forEach((fieldError) -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }


    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("错误", throwable);
        return R.error();

    }
}

